>5z4z_B mol:protein length:91 Transcriptional regulator CysBSMKLQQLRYIWEVAHHDLNVSATAQSLYTSQPGISKQIRLLEDELGVEVFARSGKHLTRVTPAGERIIHTAGEILRKVESIKQIAQEFSNE